Siem Vaessen Email & Phone Number
CEO | ZIMMERMAN B.V. @ Zimmerman & Zimmerman
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Siem Vaessen Location
- Amsterdam, NH, NL
Siem Vaessen Work
- CEO | ZIMMERMAN B.V. @ (January 2011 - Present)
- Data Management Specialist | FCDO @ (January 2012 - Present)
- Product Development Manager | THE GLOBAL FUND @ (January 2018 - Present)
- CEO | OPEN DATA COMPANY B.V. @ (June 2021 - Present)
- IATI Governing Technical Board Member @ (April 2024 - Present)
- Information Technology Management | UNESCO @ (June 2015 - May 2022)
- Information Technology Specialist | ODI @ (January 2014 - May 2022)
- Product Delivery Manager | IATI @ (October 2018 - July 2021)
- Data Manager | DEVELOPMENT INITIATIVES @ (January 2019 - January 2021)
- Data Management Team Lead | AIDSFONDS @ (June 2015 - December 2020)
- Product Manager | INTERNATIONAL ORGANISATION FOR MIGRATION @ (June 2017 - July 2020)
- Product Delivery Manager | MUNICIPALITY OF ALMERE @ (January 2018 - January 2020)
- Project Delivery Manager | NETHERLANDS ENTERPRISE AGENCY @ (January 2016 - January 2020)
- Product Development Manager | UN-HABITAT @ (January 2013 - September 2018)
- Product Manager | IATI STUDIO @ (January 2016 - January 2018)
- Data Specialist | INTERACTION @ (October 2016 - October 2017)
- Project Manager | OXFAM NOVIB @ (January 2015 - January 2016)
- Data Specialist | LEIDEN UNIVERSITY @ (January 2015 - October 2015)
- Product Delivery Manager | MINISTRY OF FOREIGN AFFAIRS THE NETHERLANDS @ (January 2011 - January 2015)
- Digital Consultant @ (September 2009 - November 2014)
- Project manager | RAIN FOUNDATION @ (January 2012 - January 2013)
- Project manager @ (December 2009 - April 2010)
- Consultant @ ASPO Netherlands (September 2009 - April 2010)
- Governing board member @ ASPO Netherlands (June 2005 - September 2009)
- Marketing Director @ (October 2007 - June 2009)
- COO @ (June 2005 - August 2007)
- Director | Webcode @ Webcode (September 1999 - July 2005)
- Project manager @ (October 2004 - May 2005)
- Board Member @ Stork's Nest (May 2002 - April 2005)
- Freelance Photojournalist @ (April 1999 - June 1999)
- General Manager @ (June 1997 - June 1998)
- Senior Photo Editor | ABC PRESS @ (May 1993 - May 1997)
Siem Vaessen Skills
- IATI.Cloud
- Business Strategy
- Business Development
- Product Management
- Strategy
- Software Development
- Project Management
- Marketing
- Interaction Design
- Web Design
- Multimedia
- Management Consulting
- Research
- Data Driven Services
- Action Sports
- Creative Design
- Commercial Cinematography
Siem Vaessen Summary
- Siem Vaessen, based in Amsterdam, NH, NL, is currently a CEO | ZIMMERMAN B.V. at Zimmerman. Siem Vaessen brings experience from previous roles at Zimmerman, The Open Data Company and International Aid Transparency Initiative. With a robust skill set that includes IATI.Cloud, Business Strategy, Business Development, Product Management, Strategy and more. Siem Vaessen has 1 emails and 3 mobile phone numbers on RocketReach.
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